Test and calculate pool volume
For Pool Chemicals, calculate from pool volume and current results before choosing a sanitiser, balancer, test or cleaner.
Pool Chemicals
Expert Pool Care.
Curated for lasting clarity.
Curated for lasting clarity.
Keep your swimming pool safe and inviting. Our high-performance range of sanitisers, balancers, and testing essentials are selected to ensure your water remains flawlessly clear, hygienic, and perfectly balanced for every swim.
Powerful Sanitisation
Effectively neutralises harmful bacteria and contaminants, creating a consistently secure and hygienic environment for all swimmers.
Crystal Clear Water
Expert-formulated treatments rapidly oxidise organic impurities, preventing cloudiness and ensuring your pool stays bright and inviting.
Precise Chemical Balance
Easily maintain optimal pH and alkalinity levels, protecting your pool surfaces and filtration equipment from scale and corrosion.
Best value in the UK
Buy Any 2 Get 5% Off
3-in-1 Pool/Hot Tub Test Strips - Pack of 50
£4.99
SKU: OL3I1TS
Buy Any 2 Get 5% Off
Relax Small Buoy Swim Spa/Pool Floating Chlorine Dispenser - 1kg
£19.99
SKU: RCH215
Buy Any 2 Get 5% Off
FREE UK DELIVERY
Jacuzzi® Hot Tub/Pool Stabilised Chlorine Granules - 10kg
£59.99
SKU: CLGRAN10OL
Buy Any 2 Get 5% Off
FREE UK DELIVERY
Jacuzzi® Hot Tub/Pool Stabilised Chlorine Granules - 25kg
£150.00
SKU: CLGRAN25OL
Buy Any 2 Get 5% Off
FREE UK DELIVERY
Jacuzzi® Pool Small Chlorine Tablets - 30kg
£199.99
£250.00
SKU: CLTAB2030OL
Pool Chemicals: what to compare before you choose
This guide to Pool Chemicals focuses on the collection's real buying task: calculate from pool volume and current results before choosing a sanitiser, balancer, test or cleaner. Then confirm the exact product details before deciding.
Choose the exact treatment
For Pool Chemicals, compare product purpose, pool-volume dosage, format, circulation time, application method and waiting period.
Use pool-specific dosage
For Pool Chemicals, use pool-labelled instructions and do not transfer a hot-tub dose to a larger water volume without the exact product guidance.
Apply one change at a time
For Pool Chemicals, test, calculate from the stated water volume, apply one treatment step and retest before making another adjustment.
Maintain circulation and filtration
For Pool Chemicals, keep circulation, filtration, debris removal and scheduled cleaning in the routine alongside chemical treatment.
Secure chemical storage
For Pool Chemicals, keep chemicals separated and secured and follow all label guidance for handling, application and return to the water.